SAT Math Practice Question #26431 - SATify | SATify
#26431
sequences and series
modular arithmetic
Relative Motion
hard
150 sec
Define a sequence recursively by F0=0, F1=1, and Fn= the remainder when Fn−1+2Fn−2 is divided by 3, for all n≥2. What is F2020+F2021+F2022+F2023+F2024+F2025+F2026+F2027+F2028+F2029?